With media today, you can’t be sure, but this doesn’t look like terrorism: http://www.foxnews.com/world/2016/08/05/france-bar-fire-kills-at-least-13-people.html?
“Rouen, a medieval city in Normandy, is not far from Saint-Etienne-du-Rovray, where two Islamic terrorists murdered a Catholic priest and took four other parishoners hostages last month.”